Illustrative image; it may differ from the actual aircraft.

Boeing 747-400F (747-481F)

OS-a4b151Active

RegistrationUSN401KZ

OperatorKalitta Air

1operators

4incidents

0accidents

0logbook years

1photos

Boeing 747-400F (747-481F) built in 2005 in Everett. Operates for Kalitta Air.

NewNearly newYoungMatureAgingOld

Aging · 21 years · ≈ 84,000 flight hours (approx.)

Vuelopedia is a work in progress: it currently holds about 30% of the information we expect to have by the third quarter of 2027. Although we use only official, highly reliable sources, some aircraft data and history may still contain errors or inaccuracies. We work hard to clear every anomaly from the records using specialized verification tools.

Recent flights

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Technical data

ManufacturerBoeing

Engines4× GE CF6-80C2B1F

PropulsionJet

First flight2005

Built inEverett, Washington (EE. UU.)

Country of registrationEstados Unidos

OwnerKalitta Air Llc

MSNOS-a4b151

Hex / ICAO 24-bita4b151

VerificationPending check against the official civil register

The model · Boeing 747

Figures for the 747-400 variant, the most representative of the family · it is 67% the length of a football pitch

Length70.7 m232 ft

Wingspan64.4 m211 ft

Height19.4 m64 ft

Range13,446 km7,260 NMWith a typical passenger load

Cruise speed903 km/h488 ktMach 0.85

Service ceiling13,700 m44,948 ftIt flies above Everest (1.5 times its height)

Maximum take-off weight396,893 kg874,998 lb

Maximum payload217,879 kg480,340 lbIts 416 passengers with baggage would weigh about 41.6 t; the rest is fuel and cargo

Typical capacity416 passengersUp to 660 in a high-density layout

Endurance14 h 53 minAt cruise speed, non-stop

With its 13,446 km range, from Newark it could fly non-stop as far as:

HKGHong Kong12,960 km JNBJohannesburg12,865 km BOMMumbai12,546 km PVGShanghai (Pudong)11,860 kmDELNew Delhi11,765 km

Beyond its rangeBKKBangkok13,947 km

The type first flew in 1969 (57 years ago) · About 1,574 units built · Production ended in 2023

Figures for the type, not for this particular aircraft: each variant and each configuration changes something. They are shown in both systems used in aviation.

The full story of the Boeing 747 Compare this aircraft

Airports

Airports of the airlines that have operated it

2016–2026Kalitta Air airline base

Base

EWRNewark

Flight logbook

Under research

Aircraft chronology

2005

Built

Assembled by Boeing in Everett, Washington (USA).

Sep 14, 2016

Delivered to Kalitta Air

Delivered to Kalitta Air as N401KZ.

Oct 22, 2019

Incident at Cincinnati

On October 22, 2019, the aircraft (registration N401KZ), operated by Kalitta, was involved in an incident at Cincinnati. Source: Kalitta.

Source: Kalitta

Jun 11, 2021

Incident

On June 11, 2021, the aircraft (registration N401KZ), operated by Kalitta, was involved in an incident due to a precautionary engine shutdown in cruise. Source: the TSB (Canada).

Source: TSB

Aug 7, 2023

Incident at Ningbo

On August 7, 2023, the Boeing 747-481F aircraft (registration N401KZ), operated by Kalitta Air, was involved in an incident at Ningbo (China) due to a runway excursion. Source: the NTSB (United States).

Source: NTSB

Aug 7, 2023

Incident at Ningbo

On August 7, 2023, the aircraft (registration N401KZ), operated by Kalitta, was involved in an incident at Ningbo. Source: Kalitta.

Source: Kalitta

Operators

2016-09-14

Kalitta Air

Registration N401KZ · Lessor: Wtc

Memories coming soon

The register of memories is not open on this aircraft yet. We are enabling it gradually, record by record, as we consolidate each aircraft's information.

Before opening it we check the aircraft identity — its registration, its serial number and its model — against the civil register of the authority that registered it, so that every memory belongs to the exact aircraft that lived it. When that work reaches this record, the register will open here.

Current position of the aircraft

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This page was last updated on October 11, 2026

APA

Vuelopedia. (2026, October 11). Boeing 747-400F (747-481F) · N401KZ · Kalitta Air. Retrieved October 19, 2026, from https://vuelopedia.org/en/aircraft/OS-a4b151

MLA

“Boeing 747-400F (747-481F) · N401KZ · Kalitta Air.” Vuelopedia, Fundación Poderia, 11 Oct. 2026, vuelopedia.org/en/aircraft/OS-a4b151. Accessed 19 Oct. 2026.

Chicago

Vuelopedia. “Boeing 747-400F (747-481F) · N401KZ · Kalitta Air.” Fundación Poderia. Last modified October 11, 2026. https://vuelopedia.org/en/aircraft/OS-a4b151.

Harvard

Vuelopedia (2026) Boeing 747-400F (747-481F) · N401KZ · Kalitta Air. Available at: https://vuelopedia.org/en/aircraft/OS-a4b151 (Accessed: 19 October 2026).

BibTeX

@misc{vuelopedia_en_aircraft_os_a4b151,
  author       = {{Vuelopedia}},
  title        = {{Boeing 747-400F (747-481F) · N401KZ · Kalitta Air}},
  publisher    = {Fundación Poderia},
  year         = {2026},
  date         = {2026-10-11},
  url          = {https://vuelopedia.org/en/aircraft/OS-a4b151},
  howpublished = {\url{https://vuelopedia.org/en/aircraft/OS-a4b151}},
  urldate      = {2026-10-19},
  note         = {Accessed 2026-10-19}
}

Wikipedia

{{cite web |url=https://vuelopedia.org/en/aircraft/OS-a4b151 |title=Boeing 747-400F (747-481F) · N401KZ · Kalitta Air |website=Vuelopedia |publisher=Fundación Poderia |date=2026-10-11 |access-date=2026-10-19 |language=en}}